<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<style>
		div{
			background-color: #00FFFF;
		}
		span{
			font-size: -webkit-xxx-large;
		}
		.a{
			color: #ff3613;
			
		}
		.b{
			color: #15e148;
			
		}
		.c{
			color: #2718ff;
			font-size: x-large;
		}
		#d{
			background-color: #FF3613;
			font-family: "楷体";
			font-size: 90px;
			font-weight: 900;
		}
		.e,.a{
			font-family: "仿宋";
			border: 2px solid #622821;/*制定宽度 实线 颜色*/
			border-radius: 25px;
		}
		input[type="text"]{
			text-align: center;
			text-shadow: 5px 5px 5px #15E148;
		}
		</style>
	</head>
	<body>
		<input type="text" placeholder="用户名"/>
		<input type="text" placeholder="密码" />
		<input type="number" placeholder="年龄" />
		<div id="d">这是div</div>
		<div class="c">这是div</div>
		<div>这是div</div>
		<span class="a">这是span1</span><br>
		<span class="b">这是span2</span><br>
		<span class="c">这是span3</span><br>
		<a href="#" class="e">超链接</a>
		<a href="#">超链接</a>
		<a href="#">超链接</a>
	</body>
</html>
